lei: give workers their own process group

[public-inbox.git] / lib / PublicInbox / LEI.pm

diff --git a/lib/PublicInbox/LEI.pm b/lib/PublicInbox/LEI.pm
index f107c2505a5f2f7a2a30b6115c5fea1afe9cbb98..9620e26422134ff92531707ab1b01a4629e5a606 100644 (file)
--- a/lib/PublicInbox/LEI.pm
+++ b/lib/PublicInbox/LEI.pm
@@ -460,9 +460,9 @@ my @WQ_KEYS = qw(lxs l2m ikw pmd wq1 lne); # internal workers
 sub _drop_wq {
        my ($self) = @_;
        for my $wq (grep(defined, delete(@$self{@WQ_KEYS}))) {
-               if ($wq->wq_kill) {
+               if ($wq->wq_kill('-TERM')) {
                        $wq->wq_close(0, undef, $self);
-               } elsif ($wq->wq_kill_old) {
+               } elsif ($wq->wq_kill_old('-TERM')) {
                        $wq->wq_wait_old(undef, $self);
                }
                $wq->DESTROY;
@@ -576,6 +576,7 @@ sub _lei_atfork_child {
        } else { # worker, Net::NNTP (Net::Cmd) uses STDERR directly
                open STDERR, '+>&='.fileno($self->{2}) or warn "open $!";
                STDERR->autoflush(1);
+               POSIX::setpgid(0, $$) // die "setpgid(0, $$): $!";
        }
        close($_) for (grep(defined, delete @$self{qw(3 old_1 au_done)}));
        if (my $op_c = delete $self->{pkt_op_c}) {
@@ -1148,9 +1149,10 @@ sub event_step {
                if ($buf eq '') {
                        _drop_wq($self); # EOF, client disconnected
                        dclose($self);
-               } elsif ($buf =~ /\A(STOP|CONT)\z/) {
+               } elsif ($buf =~ /\A(?:STOP|CONT)\z/) {
+                       my $sig = "-$buf";
                        for my $wq (grep(defined, @$self{@WQ_KEYS})) {
-                               $wq->wq_kill($buf) or $wq->wq_kill_old($buf);
+                               $wq->wq_kill($sig) or $wq->wq_kill_old($sig);
                        }
                } else {
                        die "unrecognized client signal: $buf";